MQTT-SN SC Meeting

Agenda:

• Roll call

• Approve agenda

• Approve minutes from last meeting - https://groups.oasis-open.org/higherlogic/ws/public/document?document_id=72921&wg_id=3d1c9127-09c1-4b2e-8801-018dc7d3f558

• Voting rights update

• Tasks done:

  • https://github.com/oasis-tcs/mqtt/issues/88 – connection encapsulation. I thought of calling it Session Encapsulation, but it’s really a Virtual Connection. It makes no sense if there is no Virtual Connection.

  • https://github.com/oasis-tcs/mqtt/issues/94 – no responses in the awake state. Verified the Sleeping Clients section and made some changes.

• Issues/questions:

  • should the allow modified Sleep Duration flag in CONNECT also apply to Server Keep Alive and Session Expiry Interval in the CONNACK?

  • use Connection Information or Client ID in Connection Encapsulation?

  • 3.11.3 – delete Client Identifier from PINGREQ?

  • is “envelope” preferable to “encapsulation”?

  • Should the CONNECT allow network address changes flag only apply to the Connection Encapsulation, or to any other circumstance – Protection Encapsulation, DTLS, etc?

  • 4.14.2 – when should the Server delete the Virtual connection after not receiving a packet from a sleeping client – one and a half times?

  • 3.1.7 – define minimum maximum packet size?

  • Simon’s comment in 4.14.2 about CONNECT semantics – is it addressed?

  • Davide’s revisions of the Protection Encapsulation (comments in the working draft)

• Todos:

  • review and update entire draft for use of Packet and Application, Will and Retained Message terms

  • check numbering of conformance statements, collect them and compete Appendix B

  • IANA port re-registration?

• AOB

• Confirm time and date of next meeting

• Check for late arrivals